What Is Change Data Capture (cdc)?

1.	What Is Change Data Capture (cdc)?
Answer» CDC is a technique to capture changes in database TABLES. These changes are stored in special tables. CDC operates in two modes: asynchronous, which is based on Java, and synchronous, which is based on database triggers. Performance OVERHEAD is HIGHER in CASE of synchronous CDC. CDC is a technique to capture changes in database tables. These changes are stored in special tables. CDC operates in two modes: asynchronous, which is based on Java, and synchronous, which is based on database triggers. Performance overhead is higher in case of synchronous CDC.

Answer»

CDC is a technique to capture changes in database TABLES. These changes are stored in special tables. CDC operates in two modes: asynchronous, which is based on Java, and synchronous, which is based on database triggers. Performance OVERHEAD is HIGHER in CASE of synchronous CDC.

CDC is a technique to capture changes in database tables. These changes are stored in special tables. CDC operates in two modes: asynchronous, which is based on Java, and synchronous, which is based on database triggers. Performance overhead is higher in case of synchronous CDC.

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